`edit` allows empty value

[nus-pe-bot]

edit allows empty value for role/ field, leading to the user not having any role. It was explicityly mentioned in the UG that role must be either caregiver or patient or both.

Expected / Suggestions

• edit should disallow empty role

Commands / Screenshots to reproduce

edit S6483749D role/

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_{[original: nus-cs2103-AY2425S1/pe-interim#2847] [original labels: severity.Medium type.FunctionalityBug]}

[suhayl13]

Team's Response

This was mentioned in the Developer Guide Planned Enhancement point number 8.

Duplicate status (if any):

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